package com.zhongxi.guoyuan.utils;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

@SuppressLint("NewApi")
public class FileTool {

	public static boolean hasSDCard() {
		String status = Environment.getExternalStorageState();
		if (!status.equals(Environment.MEDIA_MOUNTED)) {
			return false;
		}
		return true;
	}

	public static void saveBitmap(Bitmap bm, String picName) {
		try {
			File f = new File(picName);
			FileOutputStream out = new FileOutputStream(f);
			bm.compress(Bitmap.CompressFormat.JPEG, 70, out);
			out.flush();
			out.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public static boolean isFileExist(String rootFileName, String fileName) {
		String SDPATH = Environment.getExternalStorageDirectory() + "/"
				+ rootFileName + "/";
		File file = new File(SDPATH + fileName);
		return file.exists();
	}

	public static void delFile(String rootFileName, String fileName) {
		String SDPATH = Environment.getExternalStorageDirectory() + "/"
				+ rootFileName + "/";
		File file = new File(SDPATH + fileName);
		if (file.isFile()) {
			file.delete();
		}
	}

	public static void deleteDir(String filePath) {
		File dir = new File(filePath);
		if (dir == null || !dir.exists() || !dir.isDirectory())
			return;

		for (File file : dir.listFiles()) {
			if (file.isFile())
				file.delete();
			else if (file.isDirectory())
				deleteDir(file.getAbsolutePath());
		}
		dir.delete();
	}

	public static boolean fileIsExists(String path) {
		try {
			File f = new File(path);
			if (!f.exists()) {
				return false;
			}
		} catch (Exception e) {

			return false;
		}
		return true;
	}

	public static String getRootFilePath(String rootFileName) {
		if (hasSDCard()) {
			String SDPATH = Environment.getExternalStorageDirectory() + "/"
					+ rootFileName + "/";
			File file = new File(SDPATH);
			if (!file.exists()) {
				file.mkdirs();
			}
			return SDPATH;
		} else {
			return Environment.getDataDirectory().getAbsolutePath() + "/data/"; // filePath:
		}
	}

	public static String getFilePath(String rootFileName, String childFileName) {
		if (hasSDCard()) {
			String SDPATH = Environment.getExternalStorageDirectory() + "/"
					+ rootFileName + "/";
			File file = new File(SDPATH);
			if (!file.exists()) {
				file.mkdirs();
			}
			File voiceFile = new File(SDPATH + "/" + childFileName + "/");
			if (!voiceFile.exists()) {
				voiceFile.mkdirs();
			}
			return SDPATH + "/" + childFileName + "/";
		} else {
			return Environment.getDataDirectory().getAbsolutePath() + "/data/";
		}
	}
	public static String getRootFilePath() {
		if (hasSDCard()) {
			File file = new File(Environment.getExternalStorageDirectory()
					.getAbsolutePath() + "/" + "meirongyuan" + "/");
			if (!file.exists()) {
				file.mkdirs();
			}
			return Environment.getExternalStorageDirectory().getAbsolutePath()
					+ "/" + "meirongyuan" + "/";
		} else {
			return Environment.getDataDirectory().getAbsolutePath() + "/data/";   // filePath:
		}
	}
	public static String getFilePath(final Context context, final Uri uri) {

		final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

		// DocumentProvider
		if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
			// ExternalStorageProvider
			if (isExternalStorageDocument(uri)) {
				final String docId = DocumentsContract.getDocumentId(uri);
				final String[] split = docId.split(":");
				final String type = split[0];

				if ("primary".equalsIgnoreCase(type)) {
					return Environment.getExternalStorageDirectory() + "/"
							+ split[1];
				}

				// TODO handle non-primary volumes
			}
			// DownloadsProvider
			else if (isDownloadsDocument(uri)) {

				final String id = DocumentsContract.getDocumentId(uri);
				final Uri contentUri = ContentUris.withAppendedId(
						Uri.parse("content://downloads/public_downloads"),
						Long.valueOf(id));

				return getDataColumn(context, contentUri, null, null);
			}
			// MediaProvider
			else if (isMediaDocument(uri)) {
				final String docId = DocumentsContract.getDocumentId(uri);
				final String[] split = docId.split(":");
				final String type = split[0];

				Uri contentUri = null;
				if ("image".equals(type)) {
					contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
				} else if ("video".equals(type)) {
					contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
				} else if ("audio".equals(type)) {
					contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
				}

				final String selection = "_id=?";
				final String[] selectionArgs = new String[] { split[1] };
				String path = getDataColumn(context, contentUri, selection,
						selectionArgs);
				return path;
			}
		}
		// MediaStore (and general)
		else if ("content".equalsIgnoreCase(uri.getScheme())) {

			// Return the remote address
			if (isGooglePhotosUri(uri))
				return uri.getLastPathSegment();

			return getDataColumn(context, uri, null, null);
		}
		// File
		else if ("file".equalsIgnoreCase(uri.getScheme())) {
			return uri.getPath();
		}

		return null;
	}

	public static boolean isExternalStorageDocument(Uri uri) {
		return "com.android.externalstorage.documents".equals(uri
				.getAuthority());
	}

	/**
	 * @param uri
	 *            The Uri to check.
	 * @return Whether the Uri authority is DownloadsProvider.
	 */
	public static boolean isDownloadsDocument(Uri uri) {
		return "com.android.providers.downloads.documents".equals(uri
				.getAuthority());
	}

	/**
	 * @param uri
	 *            The Uri to check.
	 * @return Whether the Uri authority is MediaProvider.
	 */
	public static boolean isMediaDocument(Uri uri) {
		return "com.android.providers.media.documents".equals(uri
				.getAuthority());
	}

	/**
	 * @param uri
	 *            The Uri to check.
	 * @return Whether the Uri authority is Google Photos.
	 */
	public static boolean isGooglePhotosUri(Uri uri) {
		return "com.google.android.apps.photos.content".equals(uri
				.getAuthority());
	}

	public static String getDataColumn(Context context, Uri uri,
			String selection, String[] selectionArgs) {

		Cursor cursor = null;
		final String column = "_data";
		final String[] projection = { column };

		try {
			cursor = context.getContentResolver().query(uri, projection,
					selection, selectionArgs, null);
			if (cursor != null && cursor.moveToFirst()) {
				final int index = cursor.getColumnIndexOrThrow(column);
				return cursor.getString(index);
			}
		} finally {
			if (cursor != null)
				cursor.close();
		}
		return null;
	}

	public static String encodeFile(String path) throws Exception {
		File file = new File(path);
		FileInputStream inputFile = new FileInputStream(file);
		byte[] buffer = new byte[(int) file.length()];
		inputFile.read(buffer);
		inputFile.close();
		return buffer.toString();
	}
}
